:root {
    --primary-color: #0ef;
    --secondary-color: #ff4d4d;
    --dark-color: #1f242d;
    --darker-color: #171c24;
    --light-color: #fff;
    --gray-color: #777;
    --bg-color: #323946;
    --card-bg: #2d333f;
    --transition: all 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
}

body {
    background-color: var(--dark-color);
    color: var(--light-color);
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 10rem 0;
}

.btn {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    border-radius: 4rem;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.btn.primary {
    background-color: var(--primary-color);
    color: var(--dark-color);
    box-shadow: 0 0 1rem var(--primary-color);
}

.btn.primary:hover {
    box-shadow: 0 0 2rem var(--primary-color);
    transform: translateY(-3px);
}

.btn.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 0.2rem solid var(--primary-color);
    margin-left: 1.5rem;
}

.btn.secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
    box-shadow: 0 0 1rem var(--primary-color);
}

.section-header {
    margin-bottom: 6rem;
    text-align: center;
}

.section-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.section-title span {
    color: var(--primary-color);
}

.section-line {
    width: 10rem;
    height: 0.4rem;
    background-color: var(--primary-color);
    margin: 0 auto;
    border-radius: 1rem;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 0;
    background-color: var(--dark-color);
    z-index: 100;
    transition: var(--transition);
}

.header.sticky {
    background-color: var(--dark-color);
    box-shadow: 0 0.1rem 1rem rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-color);
    text-decoration: none;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 3.5rem;
}

.nav-links a {
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 0.2rem;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.hamburger {
    width: 3rem;
    height: 0.3rem;
    background-color: var(--light-color);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 0.3rem;
    background-color: var(--light-color);
    transition: var(--transition);
}

.hamburger::before {
    top: -0.8rem;
}

.hamburger::after {
    top: 0.8rem;
}

.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    background-color: var(--dark-color);
    padding-top: 8rem;
}

.hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-content {
    max-width: 60rem;
}

.hero-content .subtitle {
    font-size: 2.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0;
    animation: slideBottom 1s ease forwards;
    animation-delay: 0.2s;
}

.hero-content .title {
    font-size: 5.6rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: slideRight 1s ease forwards;
    animation-delay: 0.5s;
}

.hero-content .profession {
    font-size: 3.2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    opacity: 0;
    animation: slideLeft 1s ease forwards;
    animation-delay: 0.7s;
}

.hero-content .description {
    font-size: 1.6rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    opacity: 0;
    animation: slideRight 1s ease forwards;
    animation-delay: 0.9s;
}

.hero-buttons {
    opacity: 0;
    animation: slideTop 1s ease forwards;
    animation-delay: 1.1s;
}

.hero-image {
    position: relative;
    width: 35rem;
    height: 35rem;
    opacity: 0;
    animation: zoomIn 1s ease forwards, floatImage 4s ease-in-out infinite;
    animation-delay: 1.3s, 2.3s;
}

.image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper img {
    width: 90%;
    height: 90%;
    border-radius: 50%;
    object-fit: cover;
    border: 0.2rem solid var(--primary-color);
    position: relative;
    z-index: 1;
}

.image-border {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border-top: 0.2rem solid var(--primary-color);
    border-bottom: 0.2rem solid var(--primary-color);
    border-left: 0.2rem solid transparent;
    border-right: 0.2rem solid transparent;
    animation: spin 8s linear infinite;
    z-index: 2;
}

/* About Section */
.about-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4rem;
}

.about-image {
    flex: 1;
    position: relative;
}

.about-image img {
    width: 500px;
    height: 500px;
    border-radius: 1rem;
    box-shadow: 0 0 2rem var(--primary-color);
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.02);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.6rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.skills h4 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.skill-tags span {
    font-size: 1.4rem;
    padding: 0.5rem 1.5rem;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.skill-tags span:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
    transform: translateY(-0.3rem);
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item span {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--primary-color);
}

.info-item p {
    font-size: 1.4rem;
    margin-top: 1.8rem;
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 80rem;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 0.4rem;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -0.2rem;
    border-radius: 1rem;
}

.timeline-item {
    padding: 1rem 4rem;
    position: relative;
    width: 50%;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.timeline-item:nth-child(1) {
    animation-delay: 0.2s;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.4s;
}

.timeline-item:nth-child(3) {
    animation-delay: 0.6s;
}

/* .timeline-item::after {
    content: '';
    position: absolute;
    width: 2rem;
    height: 2rem;
    background-color: var(--light-color);
    border: 0.4rem solid var(--primary-color);
    border-radius: 50%;
    top: 1.5rem;
    z-index: 1;
} */

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item.right::after {
    left: -1rem;
}

.timeline-item.left::after {
    right: -1rem;
}

.timeline-content {
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 0.8rem;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.3);
}

.timeline-date {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.6rem;
    color: var(--gray-color);
    margin-bottom: 1rem;
}

.timeline-content p {
    font-size: 1.4rem;
    line-height: 1.6;
}

.timeline-content ul {
    list-style-type: disc;
    padding-left: 2rem;
    margin-top: 1rem;
}

.timeline-content li {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
    gap: 3rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.project-card:nth-child(1) {
    animation-delay: 0.2s;
}

.project-card:nth-child(2) {
    animation-delay: 0.4s;
}

.project-card:nth-child(3) {
    animation-delay: 0.6s;
}

.project-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
}

.project-image {
    position: relative;
    height: 25rem;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-links {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-links {
    opacity: 1;
}

.project-link {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background-color: var(--primary-color);
    border-radius: 50%;
    color: var(--dark-color);
    font-size: 2rem;
    transition: var(--transition);
}

.project-link:hover {
    background-color: var(--light-color);
    transform: rotate(15deg);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.project-info p {
    font-size: 1.4rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--gray-color);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-tech span {
    font-size: 1.2rem;
    padding: 0.5rem 1.5rem;
    background-color: rgba(14, 239, 255, 0.1);
    color: var(--primary-color);
    border-radius: 0.5rem;
}

/* Education Section */
.education {
    background-color: var(--darker-color);
}

.education .timeline-item {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.education .timeline-item:nth-child(1) {
    animation-delay: 0.2s;
}

.education .timeline-item:nth-child(2) {
    animation-delay: 0.4s;
}

.education .timeline-item:nth-child(3) {
    animation-delay: 0.6s;
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 5rem;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.contact-info p {
    font-size: 1.6rem;
    line-height: 1.6;
    margin-bottom: 3rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.info-item div h4 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.info-item div p {
    font-size: 1.4rem;
    color: var(--gray-color);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background-color: var(--card-bg);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
    box-shadow: 0 0 1rem var(--primary-color);
    transform: translateY(-0.3rem);
}

.contact-form {
    flex: 1;
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    background-color: var(--bg-color);
    border: none;
    border-radius: 0.5rem;
    color: var(--light-color);
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 1rem var(--primary-color);
}

.form-group textarea {
    height: 15rem;
}

/* Footer */
.footer {
    background-color: var(--darker-color);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
    gap: 3rem;
    margin-bottom: 5rem;
}

.footer-logo .logo {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.footer-logo p {
    font-size: 1.4rem;
    line-height: 1.6;
    color: var(--gray-color);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    position: relative;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 5rem;
    height: 0.2rem;
    background-color: var(--primary-color);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    font-size: 1.4rem;
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.footer-contact p {
    font-size: 1.4rem;
    color: var(--gray-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 0.1rem solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 1.4rem;
    color: var(--gray-color);
}

/* Custom Cursor */
.cursor {
    position: fixed;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    transform: translate(-50%, -50%);
    pointer-events: none;
    mix-blend-mode: difference;
    z-index: 999;
    transition: transform 0.3s ease;
}

/* Animations */
@keyframes slideRight {
    0% {
        transform: translateX(-10rem);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideLeft {
    0% {
        transform: translateX(10rem);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideTop {
    0% {
        transform: translateY(10rem);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideBottom {
    0% {
        transform: translateY(-10rem);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes zoomIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes floatImage {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2.4rem);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    html {
        font-size: 55%;
    }
    
    .hero .container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 5rem;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .timeline::after {
        left: 3.1rem;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 7rem;
        padding-right: 2rem;
    }
    
    .timeline-item.left,
    .timeline-item.right {
        left: 0;
    }
    
    .timeline-item.left::after,
    .timeline-item.right::after {
        left: 1.1rem;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 8rem;
        left: -100%;
        width: 100%;
        height: calc(100vh - 8rem);
        background-color: var(--darker-color);
        flex-direction: column;
        align-items: center;
        padding: 5rem 0;
        transition: var(--transition);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 2rem 0;
    }
    
    .header.sticky .nav-links {
        top: 7rem;
        height: calc(100vh - 7rem);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 50%;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .hero-content .title {
        font-size: 4.5rem;
    }
    
    .hero-content .profession {
        font-size: 2.5rem;
    }
    
    .hero-image {
        width: 28rem;
        height: 28rem;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
}

.no-scroll {
    overflow: hidden;
}